CA1170760A - Methode pour extraire les signaux de chrominance et de luminance d'un signale video composite - Google Patents

Methode pour extraire les signaux de chrominance et de luminance d'un signale video composite

Info

Publication number: CA1170760A
Authority: CA; Canada
Prior art keywords: comb filter; picture; line; signals; lines
Prior art date: 1980-04-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA000375201A

Other languages

English (en)

Inventor

Eric G. Deguffroy

Martin A.C. Piepers

Bruno F.C. Vandenbulcke

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BARCO INDUSTRIES NV

Original Assignee

BARCO INDUSTRIES NV

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1980-04-15

Filing date

1981-04-10

Publication date

1984-07-10

1980-04-15 Priority claimed from BE0/200218A external-priority patent/BE882781A/nl

1981-04-10 Application filed by BARCO INDUSTRIES NV filed Critical BARCO INDUSTRIES NV

1984-07-10 Application granted granted Critical

1984-07-10 Publication of CA1170760A publication Critical patent/CA1170760A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 34
239000002131 composite material Substances 0.000 title claims abstract description 19
230000008859 change Effects 0.000 claims abstract description 17
230000003111 delayed effect Effects 0.000 claims description 9
230000007704 transition Effects 0.000 claims description 9
230000009471 action Effects 0.000 claims description 7
230000002708 enhancing effect Effects 0.000 claims description 4
235000019557 luminance Nutrition 0.000 description 33
239000000306 component Substances 0.000 description 12
238000010586 diagram Methods 0.000 description 4
238000000926 separation method Methods 0.000 description 4
230000015556 catabolic process Effects 0.000 description 3
238000006731 degradation reaction Methods 0.000 description 3
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
238000012217 deletion Methods 0.000 description 1
230000037430 deletion Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000002592 echocardiography Methods 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
238000001228 spectrum Methods 0.000 description 1
230000003245 working effect Effects 0.000 description 1

Landscapes

Processing Of Color Television Signals (AREA)

CA000375201A 1980-04-15 1981-04-10 Methode pour extraire les signaux de chrominance et de luminance d'un signale video composite Expired CA1170760A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
BE0/200218A BE882781A (nl)	1980-04-15	1980-04-15	Werkwijze voor een ntsc kamfilter met verbeterde horizontale en vertikale resolutie
BE0/200218		1980-04-15
BE203127		1980-12-11
BE0/203127		1980-12-11

Publications (1)

Publication Number	Publication Date
CA1170760A true CA1170760A (fr)	1984-07-10

Family

ID=25652015

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000375201A Expired CA1170760A (fr)	1980-04-15	1981-04-10	Methode pour extraire les signaux de chrominance et de luminance d'un signale video composite

Country Status (1)

Country	Link
CA (1)	CA1170760A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4845547A (en) *	1988-03-28	1989-07-04	North American Philips Corporation	Non-linear comb filter for color TV receivers
US4851898A (en) *	1987-03-20	1989-07-25	Victor Company Of Japan Ltd.	Separation circuit using adaptive comb filter for separating luminance and color difference signals in composite color TV signal
US5047866A (en) *	1988-03-16	1991-09-10	Hitachi, Ltd.	Comb filter type luminance/chrominance signal separation circuit

1981
- 1981-04-10 CA CA000375201A patent/CA1170760A/fr not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4851898A (en) *	1987-03-20	1989-07-25	Victor Company Of Japan Ltd.	Separation circuit using adaptive comb filter for separating luminance and color difference signals in composite color TV signal
US5047866A (en) *	1988-03-16	1991-09-10	Hitachi, Ltd.	Comb filter type luminance/chrominance signal separation circuit
US4845547A (en) *	1988-03-28	1989-07-04	North American Philips Corporation	Non-linear comb filter for color TV receivers
EP0335447A3 (fr) *	1988-03-28	1992-04-22	North American Philips Corporation	Filtre en peigne non linéaire pour récepteurs de télévision en couleur

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Legal Events

Date	Code	Title	Description
2001-07-10	MKEX	Expiry